Preposterous and Surd

Preposterous adjective - Showing or marked by a lack of good sense or judgment.

Surd and preposterous are semantically related. In some cases you can use "Surd" instead an adjective "Preposterous".

Surd adjective - Produced without vibration of the vocal cords.

Preposterous and surd are semantically related. Sometimes you can use "Preposterous" instead an adjective "Surd".